EP4378608A1 - Appareil de surveillance et procédé de surveillance d'un bain de fusion dans un processus de fusion sur lit de poudre - Google Patents

Appareil de surveillance et procédé de surveillance d'un bain de fusion dans un processus de fusion sur lit de poudre Download PDF

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Publication number
EP4378608A1
EP4378608A1 EP22275151.3A EP22275151A EP4378608A1 EP 4378608 A1 EP4378608 A1 EP 4378608A1 EP 22275151 A EP22275151 A EP 22275151A EP 4378608 A1 EP4378608 A1 EP 4378608A1
Authority
EP
European Patent Office
Prior art keywords
melt pool
photodiode
view
field
powder bed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22275151.3A
Other languages
German (de)
English (en)
Inventor
designation of the inventor has not yet been filed The
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems PLC
Original Assignee
BAE Systems PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BAE Systems PLC filed Critical BAE Systems PLC
Priority to EP22275151.3A priority Critical patent/EP4378608A1/fr
Publication of EP4378608A1 publication Critical patent/EP4378608A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/36—Process control of energy beam parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/36—Process control of energy beam parameters
    • B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/90—Means for process control, e.g. cameras or sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Ink Jet (AREA)
EP22275151.3A 2022-11-30 2022-11-30 Appareil de surveillance et procédé de surveillance d'un bain de fusion dans un processus de fusion sur lit de poudre Pending EP4378608A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22275151.3A EP4378608A1 (fr) 2022-11-30 2022-11-30 Appareil de surveillance et procédé de surveillance d'un bain de fusion dans un processus de fusion sur lit de poudre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22275151.3A EP4378608A1 (fr) 2022-11-30 2022-11-30 Appareil de surveillance et procédé de surveillance d'un bain de fusion dans un processus de fusion sur lit de poudre

Publications (1)

Publication Number Publication Date
EP4378608A1 true EP4378608A1 (fr) 2024-06-05

Family

ID=84369544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22275151.3A Pending EP4378608A1 (fr) 2022-11-30 2022-11-30 Appareil de surveillance et procédé de surveillance d'un bain de fusion dans un processus de fusion sur lit de poudre

Country Status (1)

Country Link
EP (1) EP4378608A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000041836A1 (fr) * 1999-01-14 2000-07-20 Powerlasers Limited Technique de detection structuree par points multiples destinee a une commande adaptative de soudage par faisceau laser

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000041836A1 (fr) * 1999-01-14 2000-07-20 Powerlasers Limited Technique de detection structuree par points multiples destinee a une commande adaptative de soudage par faisceau laser

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
ALBERTS D ET AL: "IN SITU MELT POOL MONITORING AND THE CORRELATION TO PART DENSITY OF INCONEL 718 FOR QUALITY ASSURANCE IN SELECTIVE LASER MELTING", PROCEEDINGS OF THE 28TH ANNUAL INTERNATIONAL SOLID FREEFORM FABRICATION SYMPOSIUM, AUSTIN, TX, USA, 2017, 1 January 2017 (2017-01-01), pages 1481 - 1494, XP093044284, Retrieved from the Internet <URL:http://citenpl.internal.epo.org/wf/web/citenpl/citenpl.html> [retrieved on 20230504] *
GRASSO M ET AL: "In-situ measurement and monitoring methods for metal powder bed fusion: an updated review", MEASUREMENT SCIENCE AND TECHNOLOGY, IOP, BRISTOL, GB, vol. 32, no. 11, 15 July 2021 (2021-07-15), pages 112001, XP020370378, ISSN: 0957-0233, [retrieved on 20210715], DOI: 10.1088/1361-6501/AC0B6B *
JAYASINGHE SARINI ET AL: "Automatic quality assessments of laser powder bed fusion builds from photodiode sensor measurements", PROGRESS IN ADDITIVE MANUFACTURING, vol. 7, no. 2, 7 October 2021 (2021-10-07), DE, pages 143 - 160, XP093023777, ISSN: 2363-9512, Retrieved from the Internet <URL:https://link.springer.com/article/10.1007/s40964-021-00219-w/fulltext.html> DOI: 10.1007/s40964-021-00219-w *
PANDIYAN VIGNEASHWARA ET AL: "Deep learning-based monitoring of laser powder bed fusion process on variable time-scales using heterogeneous sensing and operando X-ray radiography guidance", ADDITIVE MANUFACTURING, ELSEVIER, NL, vol. 58, 30 June 2022 (2022-06-30), XP087158383, ISSN: 2214-8604, [retrieved on 20220630], DOI: 10.1016/J.ADDMA.2022.103007 *
PURTONEN TUOMAS ET AL: "Monitoring and Adaptive Control of Laser Processes", PHYSICS PROCEDIA, ELSEVIER, AMSTERDAM, NL, vol. 56, 9 September 2014 (2014-09-09), pages 1218 - 1231, XP029053133, ISSN: 1875-3892, DOI: 10.1016/J.PHPRO.2014.08.038 *

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